63533314957 has 8 divisors (see below), whose sum is σ = 76880650176. Its totient is φ = 51253766592.

The previous prime is 63533314951. The next prime is 63533314961. The reversal of 63533314957 is 75941333536.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63533314957 - 2²³ = 63524926349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63533314957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63533314951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266946583 + ... + 266946820.

It is an arithmetic number, because the mean of its divisors is an integer number (9610081272).

Almost surely, 2^63533314957 is an apocalyptic number.

It is an amenable number.

63533314957 is a deficient number, since it is larger than the sum of its proper divisors (13347335219).

63533314957 is a wasteful number, since it uses less digits than its factorization.

63533314957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533893427.

The product of its digits is 3061800, while the sum is 49.

The spelling of 63533314957 in words is "sixty-three billion, five hundred thirty-three million, three hundred fourteen thousand, nine hundred fifty-seven".